Performance on views

[Rickard Sjöström <rickard(dot)sjostrom(at)bluebottle(dot)com>]

Hi!
I've probably missed somthing but here is my problem.

I have a view that is really slow and I ca easily work around the slowness by bypassing the view and query the real table directly.

Example:
--------------------------------------------
From view, the slow one:
SELECT * from my_view WHERE date > 2007-03-01

and to speed it up I just copy the view defintion and inserts some "date > ...", like this.

SELECT * 
FROM (select * from my_table where data > 2007-03-01) mt,
         my JOIN someother on mt.id=smoeother.id
         etc,...
--------------------------------------------

The thing here is that I limit the query before joining with other data.

Did I get through with my problem?
Any ideas how I can speed up my views?
Is there something I can tell the database in order to speed up?
Is this a known issue with views?

/Rickard

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